So you'll got plenty of practice with this on your problem-set if you haven't already.

如果你们还没有做习题集的话,你们将要做很多这样的练习。

麻省理工公开课 - 化学原理课程节选

and what is a good practice to do is help develop your ideas of the things - set your intentions,

这个练习会帮助你发展思维——确定你的打算。

英语写作：技巧 - SpeakingMax英语口语达人